<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>体验vue.js的基本语法</title>
</head>
<body>
  <div id="app">{{age}}</div>
  <script src="../code/lib/vue-2.6.12.js"></script>
  <script>
    const vm=new Vue({
    el:'#app',
    data:{
      username:'zs',
      age:20,
    }
  })
  </script>
</body>
</html>